19. 舒亳仂仆舒仍仆仂亠 仆舒舒仍仂 (亢仂仆 亠亶仆舒亟 亠亶仆) 舒从 于亠亟 亠弍 亳仆于亠仂 于 仍仂于亳 仆亠仂仗亠亟亠仍亠仆仆仂亳? There is no scientific basis on which to form any calculable probability. We simply do not know Herding behavior Sunspots and self-fulfilling prophecies 亠亳亰弍亠亢仆仂亠 仍亠亟于亳亠 亳仆舒仆仂于亠 从亳亰亳: The tendency to transform doing well into a speculative investment boom is the basic instability in a capitalist system